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PartsTable / COMPONENT / PL-1527 ITEM 9
PL-1527 ITEM 9 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The PACKING NUT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 642, thread_size: 11/16-24, thread_class: 3A A, thread_length: 0.328 INCHES NOMINAL IN, overall_length: 0.505 INCHES NOMINAL IN, style_designator: HEXAGON, EXTERNAL THREAD, BOSS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-166-8792, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
PL-1527 ITEM 9
NSN: 4730-01-166-8792
FSC: 4730
CAGE: 32142 — HYDRASEARCH COMPANY, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 642
thread_size11/16-24
thread_class3A A
thread_length0.328 INCHES NOMINAL IN
overall_length0.505 INCHES NOMINAL IN
style_designatorHEXAGON, EXTERNAL THREAD, BOSS
thread_directionRIGHT-HAND
width_across_flats0.750 INCHES NOMINAL IN
screw_thread_locationEXTERNAL
casehardening_indicatorNOT CASEHARDENED
smallest_inside_diameter0.390 INCHES NOMINAL IN
screw_thread_series_designatorUNEF
NSN4730-01-166-8792
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: PL-1527 ITEM 9 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD LENGTH: 0.328 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: HEXAGON, EXTERNAL THREAD, BOSS
•
SCREW THREAD LOCATION: EXTERNAL
•
SMALLEST INSIDE DIAMETER: 0.390 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 642
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SIZE: 11/16-24
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.328 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
STYLE DESIGNATORHEXAGON, EXTERNAL THREAD, BOSS
SCREW THREAD LOCATIONEXTERNAL
SMALLEST INSIDE DIAMETER0.390 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 642
THREAD DIRECTIONRIGHT-HAND
THREAD SIZE11/16-24
OVERALL LENGTH0.505 INCHES NOMINAL IN
THREAD CLASS3A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
A4264Interchangeable
interchangeable cross-reference
interchangeable
31954Interchangeable
interchangeable cross-reference
interchangeable
PL-1527Interchangeable
Same NIIN cross-reference
interchangeable
042642AMInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PL-1527 ITEM 9?
PL-1527 ITEM 9 is a PACKING NUT.
What parts can replace PL-1527 ITEM 9?
There are 4 known substitutes for PL-1527 ITEM 9: A4264, 31954, PL-1527 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PL-1527 ITEM 9?
PL-1527 ITEM 9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-166-8792. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026